A 16-Gb T-Coil-Based GDDR6 DRAM With Merged-MUX TX, Optimized WCK Operation, and Alternative-Data-Bus Achieving 27-Gb/s/Pin in NRZ

This article introduces a 16-Gb T-coil-based graphics double-data-rate 6 (GDDR6) dynamic random access memory (DRAM) with merged-multiplexer (MUX) transmitter (TX), optimized data clock (WCK) operation to enhance I/O bandwidth. T-coil is implemented for the first time in a DRAM process. Moreover, an...

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Veröffentlicht in:IEEE journal of solid-state circuits 2023-01, Vol.58 (1), p.279-290
Hauptverfasser: Lee, Daewoong, Baek, Jaehyeok, Kwon, Hye-Jung, Kwon, Dae-Hyun, Cho, Chulhee, Kim, Sang-Hoon, An, Donggun, Chang, Chulsoon, Lim, Unhak, Im, Jiyeon, Sung, Wonju, Kim, Hye-Ran, Park, Sun-Young, Kim, Hyoung-Joo, Seol, Hoseok, Kim, Juhwan, Shin, Jungbum, Kang, Gil-Young, Kim, Yong-Hun, Kim, Sooyoung, Park, Wansoo, Kim, Seok-Jung, Lee, Chan-Yong, Lee, Seungseob, Park, Tae-Hoon, Oh, Chi-Sung, Ban, Hyodong, Ko, Hyungjong, Song, Hoyoung, Oh, Tae-Young, Hwang, Sang-Joon, Oh, Kyung-Suk, Choi, Jung-Hwan, Lee, Jooyoung
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container_end_page 290
container_issue 1
container_start_page 279
container_title IEEE journal of solid-state circuits
container_volume 58
creator Lee, Daewoong
Baek, Jaehyeok
Kwon, Hye-Jung
Kwon, Dae-Hyun
Cho, Chulhee
Kim, Sang-Hoon
An, Donggun
Chang, Chulsoon
Lim, Unhak
Im, Jiyeon
Sung, Wonju
Kim, Hye-Ran
Park, Sun-Young
Kim, Hyoung-Joo
Seol, Hoseok
Kim, Juhwan
Shin, Jungbum
Kang, Gil-Young
Kim, Yong-Hun
Kim, Sooyoung
Park, Wansoo
Kim, Seok-Jung
Lee, Chan-Yong
Lee, Seungseob
Park, Tae-Hoon
Oh, Chi-Sung
Ban, Hyodong
Ko, Hyungjong
Song, Hoyoung
Oh, Tae-Young
Hwang, Sang-Joon
Oh, Kyung-Suk
Choi, Jung-Hwan
Lee, Jooyoung
description This article introduces a 16-Gb T-coil-based graphics double-data-rate 6 (GDDR6) dynamic random access memory (DRAM) with merged-multiplexer (MUX) transmitter (TX), optimized data clock (WCK) operation to enhance I/O bandwidth. T-coil is implemented for the first time in a DRAM process. Moreover, an alternative-data-bus (ADB) is employed to solve the frequency limit of the data bus. The proposed T-coil-based GDDR6 DRAM achieves 27 Gb/s/pin with 1.35 V in a DRAM process.
doi_str_mv 10.1109/JSSC.2022.3222203
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T-coil is implemented for the first time in a DRAM process. Moreover, an alternative-data-bus (ADB) is employed to solve the frequency limit of the data bus. 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T-coil is implemented for the first time in a DRAM process. Moreover, an alternative-data-bus (ADB) is employed to solve the frequency limit of the data bus. The proposed T-coil-based GDDR6 DRAM achieves 27 Gb/s/pin with 1.35 V in a DRAM process.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/JSSC.2022.3222203</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0001-8703-2627</orcidid><orcidid>https://orcid.org/0000-0002-9379-7746</orcidid><orcidid>https://orcid.org/0000-0003-4651-2434</orcidid><orcidid>https://orcid.org/0000-0003-3507-2613</orcidid><orcidid>https://orcid.org/0000-0002-3611-4734</orcidid></addata></record>
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ispartof IEEE journal of solid-state circuits, 2023-01, Vol.58 (1), p.279-290
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subjects Alternative-data-bus (ADB)
Bandwidth
Clocks
Coils
data clock (WCK)
Dynamic random access memory
Graphics
graphics double-data-rate 6 (GDDR6)
graphics dynamic random access memory (DRAM)
high-speed memory
Load modeling
merged-multiplexer (MUX) transmitter (TX)
Metals
quad-skew training
Random access memory
reference impedance (ZQ) calibration
Resistance
T-coil
wireline transceiver
title A 16-Gb T-Coil-Based GDDR6 DRAM With Merged-MUX TX, Optimized WCK Operation, and Alternative-Data-Bus Achieving 27-Gb/s/Pin in NRZ
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